1. Department of Genetic Medicine, Division of Advanced Biomedical Sciences, Graduate School of Medicine, Tokyo Women's Medical University, Tokyo, Japan.
2. Department of Transfusion Medicine and Cell Processing, Tokyo Women's Medical University, Tokyo, Japan.
3. Department of Pediatric Neurology, Gunma Children's Medical Center, Gunma, Japan.
4. Department of Pediatric Neurology, Fukuoka Children's Hospital, Fukuoka, Japan.
5. Department of Medical Genetics, Osaka Women's and Children's Hospital, Izumi, Japan.
6. Department of Pediatrics, Tokyo Women's Medical University, Tokyo, Japan.